Oral-b Vitality Plus Toothbrush Electric Sensitive Clean Each
or
Oral-b Vitality Plus Powered Toothbrush Precision Clean Each
Oral-b Vitality Plus Toothbrush Electric Sensitive Clean Each
or
Oral-b Vitality Plus Powered Toothbrush Precision Clean Each
Big W also has Oral B electric toothbrushes for $22.50, not sure which, but might be worth a check if they're closer.
$19.96 @ Myer eBay pickup with code CMUM20 if you have a Myer close by.